Ferreira et al: Effect of heated pneumoperitoneum on body temperature in dogs undergoing laparoscopic ovariectomy—A randomized controlled trial
Veterinary Surgery 5, 2025

🔍 Key Findings

  • Heated CO₂ insufflation reduced perioperative hypothermia during laparoscopic ovariectomy compared to nonheated CO₂.
  • Final body temperature was significantly higher in the heated group (36.03°C) than in the nonheated group (34.93°C).
  • Temperature reduction correlated with surgical duration only in the nonheated group (p < .05).
  • Heated CO₂ delayed temperature drop, occurring after 20 minutes vs. 5 minutes in nonheated cases.
  • No significant differences between groups in anesthetic, surgical, or insufflation times.
  • All dogs recovered uneventfully and were discharged the same day.
  • Heated CO₂ may offer greater benefit in longer procedures or in small-sized dogs prone to hypothermia.
  • No adverse effects were attributed to heated gas use in this clinical trial.

Simini Surgery Review Podcast

How critical is this paper for crushing the Boards?

🚨 Must-know. I’d bet on seeing this.

📚 Useful background, not must-know.

💤 Skip it. Doubt it’ll ever show up.

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